The plasma membrane is constructed so that a. it is strong ...

[sam.t96]

The plasma membrane is constructed so that
 
  a. it is strong enough to keep the cell whole.
  b. nutrients can enter and waste products can leave.
  c. only oxygen can pass through.
  d. blood cells can pass through.

Question 2

When several organs and parts are grouped together for certain functions, they form
 
  a. tissues.
  b. systems.
  c. cells.
  d. membranes.

[Zack0mack0101@yahoo.com]

Answer to Question 1

A
The plasma membrane is strong enough to keep the cell whole and intact.

Answer to Question 2

B
A system is an organization of varying numbers and kinds of organs arranged so that together they can perform complex functions for the body.

[sam.t96]

Gracias!

[pratush dev]

Thanks for the timely response, appreciate it